<?php

namespace backend\controllers;

use Yii;
use common\models\Carousel;
use yii\data\ActiveDataProvider;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use yii\web\UploadedFile;
use backend\components\Upload;

/**
 * CarouselController implements the CRUD actions for Carousel model.
 */
class CarouselController extends Controller
{
    public function actionApi(){
        $agent = Carousel::findBySql('SELECT img,link FROM carousel')->all();
        $ret=[];
        foreach($agent as $v){
            $re['asd'][]= [
                'img' => $v->img,
                'link' => $v->link,
            ];
        }
        return $this->asJson($re);
    }
    /**
     * Lists all Carousel models.
     * @return mixed
     */
    public function actionIndex()
    {
        $dataProvider = new ActiveDataProvider([
            'query' => Carousel::find(),
        ]);                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  

        return $this->render('index', [
            'dataProvider' => $dataProvider,
        ]);
    }

    /**
     * Displays a single Carousel model.
     * @param integer $id
     * @return mixed
     */
    public function actionView($id)
    {
        return $this->render('view', [
            'model' => $this->findModel($id),
        ]);
    }

    /**
     * Creates a new Carousel model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {
        $model = new Carousel();
        if (Yii::$app->request->isPost) {
            $model->load(Yii::$app->request->post());
            $img = Yii::$app->imgload->UploadPhoto($model,'/uploads/carousel/','img');
            $model->img = $img;//存入表中
//            $model->status = 1;
            $model->created_at = time();
            $model->updated_at = time();

        }
        if ($model->save()) {
            return $this->redirect(['view', 'id' => $model->id]);
        } else {
            return $this->render('create', [
                'model' => $model,
            ]);
        }
    }

    /**
     * Updates an existing Carousel model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     */
    public function actionUpdate($id)
    {
        $model = $this->findModel($id);

        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            return $this->redirect(['view', 'id' => $model->id]);
        } else {
            return $this->render('update', [
                'model' => $model,
            ]);
        }
    }

    /**
     * Deletes an existing Carousel model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id
     * @return mixed
     */
    public function actionDelete($id)
    {
        $this->findModel($id)->delete();

        return $this->redirect(['index']);
    }

    /**
     * Finds the Carousel model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     * @param integer $id
     * @return Carousel the loaded model
     * @throws NotFoundHttpException if the model cannot be found
     */
    protected function findModel($id)
    {
        if (($model = Carousel::findOne($id)) !== null) {
            return $model;
        } else {
            throw new NotFoundHttpException('The requested page does not exist.');
        }
    }
}
